linux-kernel - Re: [PATCH] CodingStyle: delete "kmalloc(sizeof(*var))" as preferred allocation form

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Message-ID: <1495708535.29207.1.camel@perches.com>
Date:   Thu, 25 May 2017 03:35:35 -0700
From:   Joe Perches <joe@...ches.com>
To:     Alexey Dobriyan <adobriyan@...il.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Cc:     Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] CodingStyle: delete "kmalloc(sizeof(*var))" as
 preferred allocation form

On Wed, 2017-05-24 at 13:18 +0300, Alexey Dobriyan wrote:
> Proper fix is to introduce typed allocation macros with the following
> signatures:
> 
> T* lmalloc(T, gfp);
[]
>     struct foo *x;
>     x = lmalloc(struct foo, GFP_KERNEL);

Then code would be written

	x = lmalloc(typeof(*x), GFP_KERNEL);